Controller of multi function device

Computer graphics processing and selective visual display system – Computer graphic processing system – Interface

Reexamination Certificate

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Details

C345S519000, C345S531000, C358S448000, C358S501000, C358S530000

Reexamination Certificate

active

06897872

ABSTRACT:
An image process unit includes an image input interface that receives inputs of image data from a scanner and generates data packets, an image ring interface4that transfer the data packets to an image ring interface2, and an image output interface that outputs image data to a printer, and a system control unit includes a RAM controller that has a RAM store the data packets transferred from the image process unit and reads the data packets from the RAM, and an image ring interface1that transfers the data packets to an image ring interface3, where packet transfers from the image process unit to the system control unit and in its reverse direction are conducted using mutually different image rings.

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patent: 20030016390 (2003-01-01), Yuasa
patent: 11-45225 (1999-02-01), None

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